Haataja, E., Toivanen, M., Laine, A. and Hannula, M.S. 2019. Teacher-student eye contact during scaffolding collaborative mathematical problem-solving. LUMAT: International Journal on Math, Science and Technology Education. 7, 2 (Oct. 2019), 9–26. DOI:https://doi.org/10.31129/LUMAT.7.2.350.